All of the Following Are True About Cnidarians Except

All of the following are true about Cnidarians except

A) they are widespread and abundant especially in shallow,warm-temperature or subtropical waters.
B) they are basically gelatinous in composition.
C) their bodies are made up of distinct organs.
D) they exist either as polyps or medusae.
E) they contain specialized cells called "cnidocytes" within which nematocysts are found.